Ida Straus, born Rosalie Ida Blun (February 6, 1849 – April 15, 1912) was an American homemaker and wife of the co-owner of the Macy'sdepartment store. She and her husband Isidor died on board the RMS Titanic.
Rosalie Ida Blun was born in 1849 in Worms, Germany to Nathan Blun (1815–1879) and his wife Wilhelmine "Mindel" Freudenberg (1814–1868). She was the fifth of seven children including Amanda (1839–1907), Elias Nathan (1842–1878), Louis (1843–1927), Augusta Carolina (1845–1905), Moritz (1850–1858) and Abraham Blun (1853–1881). She emigrated to the United States with her family.
In 1871, Ida Blun married Isidor Straus (1845–1912), a German-American businessman. She and Isidor had seven children (one of whom died in infancy):
Jesse Isidor Straus (1872–1936) who married Irma Nathan (1877–1970)
Clarence Elias Straus (1874–1876) who died in infancy
Percy Selden Straus (1876–1944) who married Edith Abraham (1882–1957)
Sara Straus (1878 –1960) who married Dr. Alfred Fabian Hess (1875–1933)
Minnie Straus (1880–1940) who married Dr. Richard Weil (1876–1917)
Herbert Nathan Straus (1881–1933) who married Therese Kuhn (1884–1977)
Vivian Straus (1886–1974) who married Dr. Herbert Adolph Scheftel (1875–1914) and George Dixon,......